LiteMat - ett informationsblad från Matematiska institutionen vid LiU

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v 7, 2012

 

The Mathematical Colloquium

Wednesday February 15, Vallfarten 13.15-14.15, Irina Asekritova, MAI.

Title: On invertibility of linear operators in interpolation spaces

Abstract: Let $A$ be a linear bounded operator from a Banach couple $\overrightarrow{X}=(X_{0},X_{1})$ to a Banach couple $\overrightarrow{Y}=(Y_{0},Y_{1})$ such that the restrictions of $A$ to the spaces $X_{0}$ and $X_{1}$ have bounded inverses. This condition does not imply that the restriction of the operator $A$ to the real interpolation space $(X_{0},X_{1})_{\theta ,q}$ has a bounded inverse for all values of the parameters $\theta $ and $q$. I plan to discuss the following problem: how can we describe all spaces $(X_{0},X_{1})_{\theta ,q}$ such that the operator $A:(X_{0},X_{1})_{\theta ,q}\rightarrow (Y_{0},Y_{1})_{\theta ,q}$ is invertible?

The talk is based on joint work with N. Kruglyak.

Complete programme of the Mathematical Colloquium

Welcome!

Anders Björn, Milagros Izquierdo, Vladimir Kozlov and Hans Lundmark

 

Seminar series towards the index theorem

Friday February 17, Kompakta rummet, 8.15-10.00.

Title: Sobolev spaces and pseudodifferential operators on manifolds

Welcome!

Mats Aigner

 

Framläggningen av examensarbeten i matematikdidaktik

Ana Fahlman
Titel: Matematikundervisning på gymnasiet en jämförelse mellan Sverige och Rumänien
Opponent: Nilufar Shahinosratabad
Fredag 17 februari, kl 13-14 E330 i Fysikhuset
Examinator: Björn Textorius

Nilufar Shahinosratabad
Titel: Lärobokens innehåll och dess användning i matematikundervisning. En komparativ studie om matematikundervisning i Sverige och i Iran
Opponent: Ana Fahlman
Fredag 17 februari, kl 14-15 E330 i Fysikhuset
Examinator: Christer Bergsten

 

 

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Material skickas till litemat@mai.liu.se senast torsdagar kl. 12.